Which one of the following uses a 128bit round key to encrypt the data using XOR and use it in reverse to decrypt it?

Related MCQs

• In which of the following encryption key is used to encrypt and decrypt the data?
• State true or false i) A candidate key is a minimal super key. ii) A candidate key can also refer to as surrogate key.
• A relation is said to be in 3 NF if (i) it is in 2 NF (ii) non-key attributes are independent of one another (iii) key attribute is not dependent on part of a composite key (iv) has no multi-valued dependency
• In a                clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.
• In a _______ clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.
• Instead of locking index leaf nodes in a two-phase manner, some index concurrency- control schemes use                        on individual key values, allowing other key values to be inserted or deleted from the same leaf.
• An                          consists of a search-key value and pointers to one or more records with that value as their search-key value.
• An ____________ consists of a search-key value and pointers to one or more records with that value as their search-key value.
• An attribute in a relation is a foreign key if the                key from one relation is used as an attribute in that relation.
• A search key containing more than one attribute is referred to as a                    search key.